hufflepuff122 hufflepuff122

18-04-2020
Mathematics

contestada

PLZ HELP ASAP
Find f(x) if it is known that f(x−3)=0.2x−0.6.

Respuesta :

ghanami ghanami

18-04-2020

Answer:

f(x) = 0.2x

Step-by-step explanation:

hello :

let : f(x) = ax+b calculate a and b

f(x-3) =a(x-3)+b = ax+b-3a.....(*)

given : f(x-3) = 0.2x-0.6...(**)

by (*) and(**) : a= 0.2 and b-3a = - 0.6

b-3(0.2) = - 0.6

so : b=0

conclusion : f(x) = 0.2x

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